Deleting Master Forecast Profiles

I need to delete around 50 unwanted Master Forecast profiles but unable to due to the following -

These profiles are used in some of the process chains/Activities/mass processing jobs etc. and i would like to delete them only after cross checking under which process chain it is used to avoid major implications.

I am finding it dificult to delte them as i keep getting messages that it is either used in some activity or some mass processing jobs and its time consuming.

I have tried using table /SAPAPO/DP440G and /SAPAPO/TSPLBAKT and /SAPAPO/TSPLBSEL and was able to get the Background jobs but am unable to get the names of process chains that are used pertaining to Activity or Job names

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